CN102263541B - Washings Processing Device - Google Patents
Washings Processing Device Download PDFInfo
- Publication number
- CN102263541B CN102263541B CN201110143529.5A CN201110143529A CN102263541B CN 102263541 B CN102263541 B CN 102263541B CN 201110143529 A CN201110143529 A CN 201110143529A CN 102263541 B CN102263541 B CN 102263541B
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- Prior art keywords
- mentioned
- motor
- inverter
- pulse width
- phase pulse
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
- H02P27/085—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation wherein the PWM mode is adapted on the running conditions of the motor, e.g. the switching frequency
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/22—Current control, e.g. using a current control loop
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/44—Current or voltage
- D06F2103/46—Current or voltage of the motor driving the drum
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Textile Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention relates to a washings processing device. The washings processing device includes washing groove and a motor driving the washing groove for rotation. The motor are driven based on pulse width modulation. In general rotation, a mixed way of a three phase pulse width modulation and a two phase pulse width modulation is used to drive the drive part of the motor. Thus, the temperature increase of a phase inverter used to control the motor in the running of the running processing device can be reduced.
Description
Technical field
The present invention relates to a kind of device for processing washings { Washing machine }, more detailed says so, relates to a kind ofly can reducing the device for processing washings device for processing washings rising for controlling the temperature of the inverter of motor in service.
Background technology
In general, in cylinder, throw in and have under the state of washing agent and washings and washings, utilization is delivered to Wash tub that the actuating force of motor is rotated to device for processing washings and the frictional force of washings is carried out laundry operations, thereby realize the washings laundry effect that almost not damaged and washings are not wound around mutually.
In addition, when the motor in device for processing washings drives, the demand of the driving corresponding with multiple speed or multiple stroke is increased gradually, thus, the driving method of effective device for processing washings is constantly discussed.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind ofly can reduce the device for processing washings device for processing washings rising for controlling the temperature of the inverter of motor in service.
And, another object of the present invention is to provide a kind of device for processing washings that can reduce the noise of the operating motor of device for processing washings.
For achieving the above object, according to the device for processing washings in the present invention: comprise with lower member:
Wash tub;
The motor that above-mentioned Wash tub is rotated;
Based on pulse-width modulation, drive above-mentioned motor, in conventionally turning round, adopt the drive division of three-phase pulse width modulated mode and the above-mentioned motor of two-phase pulse width modulation mode combination drive.
Above-mentioned drive division is when above-mentioned common running, and mobile output current in the above-mentioned motor of feedback, drives above-mentioned motor based on above-mentioned output current.
Above-mentioned drive division, between washing bag amount detection zone or between offset detection zone, drives above-mentioned motor according to above-mentioned three-phase pulse width modulated mode.
Between the washing bag amount detection zone of above-mentioned drive division in dehydration stroke or between offset detection zone, according to above-mentioned three-phase pulse width modulated mode, drive above-mentioned motor, removing between above-mentioned washing bag amount detection zone or between offset detection zone in dehydration stroke, drives above-mentioned motor according to above-mentioned two-phase pulse width modulation mode.
Above-mentioned drive division, when dehydration stroke, drives above-mentioned motor according to above-mentioned three-phase pulse width modulated mode, and at least one when washing stroke or in while cleaning stroke, drives above-mentioned motor according to above-mentioned two-phase pulse width modulation mode.
Between the washing bag amount detection zone of above-mentioned drive division in dehydration stroke or between offset detection zone, according to above-mentioned three-phase pulse width modulated mode, drive above-mentioned motor, in dehydration in stroke, remove the interval between above-mentioned washing bag amount detection zone or between offset detection zone, or at least one when washing stroke or in while cleaning stroke, according to above-mentioned two-phase pulse width modulation mode, drive above-mentioned motor.
Above-mentioned drive division is according to temperature, is divided into above-mentioned three-phase pulse width modulated mode and above-mentioned two-phase pulse width modulation mode drives.
Above-mentioned drive division is according to rotary speed, is divided into above-mentioned three-phase pulse width modulated mode and above-mentioned two-phase pulse width modulation mode drives.
Above-mentioned drive division comprises with lower member:
For set DC power supply is converted to the AC power of set frequency, and above-mentioned AC power is exported to the inverter of above-mentioned motor;
Output electric current measure portion for detection of output current mobile in above-mentioned motor;
Based on above-mentioned output current, control above-mentioned inverter, the inverter controlling portion that above-mentioned motor is driven with above-mentioned three-phase pulse width modulated mode or above-mentioned two-phase pulse width modulation mode.
Above-mentioned drive division also comprises the position detection part for detection of the rotor-position of above-mentioned motor, and above-mentioned inverter controlling portion, based on above-mentioned detected rotor-position and above-mentioned output current, controls above-mentioned inverter.
Above-mentioned inverter is provided with using upper along switch module and lower along switch module as three pairs of a pair of switch modules, by above-mentioned two-phase pulse width modulation mode, on two couple of above-mentioned three centerings along switch module or lower along switch module repeatedly open and disconnect during at least a portion interval, another of above-mentioned three centerings to upper along switch module or open or disconnect along switch module down.
By above-mentioned two-phase pulse width modulation mode, in the three-phase of above-mentioned motor, flow and have sine-wave current.
And in order to achieve the above object, the device for processing washings according in the embodiment of the present invention, is characterized in that, comprises following parts:
Wash tub;
The motor that above-mentioned Wash tub is rotated;
Be provided with using upper along switch module and lower along switch module as three pairs of a pair of switch modules, by on two couple above-mentioned three centerings along switch module or lower along switch module repeatedly open and disconnect during at least a portion during in, another of above-mentioned three centerings to upper along switch module or lower first interval of opening or disconnecting along switch module, and above-mentioned three pairs upper along switch module or lower along switch module repeatedly open and the Second Region that disconnects between mix, and the inverter that above-mentioned motor is driven.
In above-mentioned the first interval, the switch controlling signal based on two-phase pulse width modulation mode is exported to above-mentioned inverter, between above-mentioned Second Region, the switch controlling signal based on three-phase pulse width modulated mode is exported to the inverter controlling portion of above-mentioned inverter.
the invention has the beneficial effects as follows:embodiment according to the present invention, when the motor that Wash tub is rotated drives, adopt three-phase pulse width modulated mode and two kinds of modes of two-phase pulse width modulation mode to carry out combination drive, thereby reduce to rise for controlling the temperature of the inverter of motor, particularly, by two-phase pulse width modulation mode, reducing temperature rises, in addition, by three-phase pulse width modulated mode, the ripple composition of the alternating current of connecting when reducing motor and driving and the noise that causes, and, by three-phase pulse width modulated mode, can realize motor accurately drives, thus, when washing bag amount detects or when offset detects, can detect accurately, therefore it can effectively carry out the driving of device for processing washings.
Accompanying drawing explanation
Fig. 1 means the stereogram of device for processing washings according to an embodiment of the invention;
Fig. 2 means the side cross-sectional view of the device for processing washings of Fig. 1;
Fig. 3 means the interior block diagram of the device for processing washings of Fig. 1;
Fig. 4 means the internal circuit diagram of the drive division of Fig. 3;
Fig. 5 means the interior block diagram of the inverter controlling portion of Fig. 4;
Fig. 6 means the drawing of an example of the switch controlling signal of supplying with to the inverter of Fig. 4;
Fig. 7 means another routine drawing of the switch controlling signal of supplying with to the inverter of Fig. 4;
Fig. 8 means the drawing of an example of the alternating current of supplying with to the motor of Fig. 4;
Fig. 9 means the flow chart of the method for operating of device for processing washings;
The drawing of one example of motor rotary speed when Figure 10 means the washing stroke of Fig. 9;
The drawing of one example of motor rotary speed when Figure 11 means the dehydration stroke of Fig. 9;
Figure 12 means the stereogram of device for processing washings according to another embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
What use in the following description is the simple word of giving in order easily to make this specification to the conjunction of structural element " module " and " portion ", itself do not there is implication or the effect of particular importance, therefore, above-mentioned " module " and " portion " can mix use mutually.
Fig. 1 means the stereogram of device for processing washings according to an embodiment of the invention, and Fig. 2 means the side cross-sectional view of the device for processing washings of Fig. 1.
Referring to figs. 1 through Fig. 2, the device for processing washings 100 in one embodiment of the invention is to comprise to accommodate washing and wrap and carry out the washing machine of washing, cleaning, dehydration etc., or accommodates wet washing bag and carry out the concept of the dryer etc. of oven dry.Below, will centered by washing machine, describe.
Washing machine 100 comprises with lower member: the housing 110 that forms outward appearance; There is the operation keys of inputting various control commands by user, for showing to display unit of the information of the running status of washing machine 100 etc., so that the control panel 115 of user interface to be provided; The rotatable housing 110 that is arranged at, for opening and closing the door 113 of the access hole of washings discrepancy.
Housing 110 comprises with lower member: portion is formed with the body 111 in the space of the various structure members that hold washing machine 100 within it; Be arranged at the upside of body 111, in order to form washing to the interior input washings of inside groove 122, contract out the top cover 112 of hand-hole.
Housing 110 take comprise body 111 and top cover 112 situation as example describes, still, as long as housing 110 can form the outward appearance of washing machine 100, and be not defined in this.
In addition, support stick 135 be take to be incorporated into as the situation that forms the top cover 112 of in the structure of housing 110 and is described as example, but is not defined in this, and it can be incorporated into any one in the fixing part of housing 110.
Control panel 115 comprises with lower member: for the operation keys 117 of the operating condition of operated wash thing processing unit 100; Be arranged at a side of operation keys 117, for showing the display unit 118 of the operating condition of device for processing washings 100.
Door 113 contracts out hand-hole (unmarked) for opening and closing the washing of top cover 112 formation, and it comprises the transparent components such as tempered glass, thereby can see the inside of body 111.
Washing machine 100 comprises Wash tub 120, is provided with lower member in Wash tub 120: for the water jacket 124 of holding washing water; Rotatable being arranged in water jacket 124, for holding the inside groove 122 of washings.On the top of Wash tub 120, be provided with balance weight 134, the bias occurring when rotated to compensate Wash tub 120.
In addition, in washing machine 100, also comprise the rotatable blender 133 that is arranged at the bottom of Wash tub 120.
Drive unit 138 is for providing the actuating force that inside groove 122 and/or blender 133 are rotated, and be provided with the clutch (not shown) for optionally transmitting the actuating force of drive unit 138, so that only have inside groove 122 to be rotated, or only have blender 133 to be rotated, or inside groove 122 and blender 133 are rotated simultaneously.
In addition, the drive division 220 of drive unit 138 in Fig. 3, drive circuit drives.To this, will with reference to Fig. 3, describe in the back.
In addition, can pull out and be provided with detergent box 114 in top cover 112, above-mentioned detergent box 114 is for holding the various additives such as washing agent, fiber softener and/or bleaching agent for washing.The washings of supplying with by feedwater stream 123, will be via being supplied in inside groove 122 after detergent box 114.
In inside groove 122, be formed with a plurality of holes (not shown), can make the washings of inside groove 122 interior supplies flow to water jacket 124 by a plurality of holes.In addition be also provided with for controlling the water-supply valve 125 of feedwater stream 123.
The washings of discharging in water jacket 124 by draining stream 143, and be provided with for controlling the draining valve 139 of draining stream 143 and the draining pump 141 of suction washings.
Support stick 135 is for being suspended on water jacket 124 in housing 110, and its one end is connected with housing 110, and the other end of support stick 135 is connected with water jacket 124 by suspension.
Suspension is for cushioning the vibration of the water jacket 124 of washing machine 100 generations in service.For example, the vibration that water jacket 124 produces during along with inside groove 122 rotation and vibrating, in the process being rotated at inside groove 122, can cushion the vibration being caused by many factors such as the bias of the washings holding in inside groove 122, the rotary speed of inside groove 122 or resonance characteristicss.
Fig. 3 means the interior block diagram of the device for processing washings of Fig. 1.
Below, describe with reference to the accompanying drawings.In device for processing washings 100, by the control action of control part 210, control drive division 220, drive division 220 drives motor 230.Thus, Wash tub 120 is rotated by motor 230.
Control part 210 receives actuating signal from operation keys 117, and the action of going forward side by side is done.Thus, carry out washing, cleaning, dehydration stroke.
And control part 210 is controlled display unit 118, control it and show laundry stroke, washing time, dewatering time, scavenging period etc., or current operate condition etc.
In addition, control part 210 is controlled drive division 220, makes it control motor 230 and moves.For example, the current detecting part 225 of the output current based on for detection of mobile in motor 230 and for detection of the position detection part 235 of the position of motor 230, controls drive division 220 motor 230 is rotated.In the accompanying drawings, be illustrated as detected electric current and detected position signalling inputs to drive division 220, but be not defined in this, can be to input to control part 210, or input to control part 210 and drive division 220 simultaneously.
Drive division 220 is for drive motors 230, and it comprises inverter (not shown), and inverter controlling portion (not shown).And drive division 220 can be also to comprise the concept of supplying with to the transducer of the DC power supply of inverter (not shown) input etc.
For example, when inverter controlling portion (not shown) exports to inverter (not shown) by the switch-over control signal of pulse-width modulation (PWM) mode (Sic of Fig. 4), inverter (not shown) carries out high speed and switches action, thereby the AC power of set frequency is supplied with to motor 230.
In addition, for drive division 220, with reference to Fig. 4, describe in the back.
In addition, control part 210 is based on the detected current i of current detecting part 225
oor the detected position signalling H of position detection part 235, detect washing bag amount.For example, in the process being rotated at Wash tub 120, the current value i based on motor 230
odetect washing bag amount.
In addition, control part 210 can also detect the offset of Wash tub 120, i.e. unbalanced (the unbalance of Wash tub 120; UB).Above-mentioned offset detects based on the detected current i of current detecting part 225
od ripple composition or the rotary speed variable quantity of Wash tub 120 carry out.
Fig. 4 means the internal circuit diagram of the drive division of Fig. 3.
Below, describe with reference to the accompanying drawings.Drive division 220 in the embodiment of the present invention comprises transducer (converter) 410, inverter (inverter) 420, inverter controlling portion 430, dc terminal voltage test section B, smoothing capacity C, and the E of output electric current measure portion.And drive division 220 also comprises input current test section A, reactor L(reactor) etc.
Reactor L is arranged at conventional AC power (405, v
s) and transducer 410 between, for carrying out power coefficient revisal or boost action.And reactor L also carries out the function of the harmonic current of the high speed switching of restriction based on transducer 410.
Input current test section A detects from the input current i of conventional AC power 405 inputs
s.For this reason, as input current test section A, use CT(current transformer-current transformer), bypass (shunt) resistance etc.Detected input current i
sdiscrete signal (discrete signal) for pulse mode, inputs to inverter controlling portion 430.
Transducer 410 is converted to DC power supply by the conventional AC power 405 via reactor L, and output.In accompanying drawing, will commonly use AC power 405 and be illustrated as single phase alternating current power supply, but also can be three-phase alternating-current supply.According to the kind of conventional AC power 405, the internal structure of transducer 410 is also by difference.
In addition, transducer 410 also can not have switch element, but consists of diode etc., without other switch (switching) action, can carry out rectification action.
For example, the in the situation that of single phase alternating current power supply, 4 diodes are used with bridge joint form, and the in the situation that of three-phase alternating-current supply, 6 diodes are used with bridge joint form.
In addition, for example, transducer 410 can be used the transducer by the semi-bridge type (half bridge) of 2 switch elements and 4 diode connections, the in the situation that of three-phase alternating-current supply, can use 6 switch elements and 6 diodes.
In the situation that transducer 410 is provided with switch element, can move by the switching of corresponding switch element, carry out boost action, power coefficient improvement and DC power supply conversion.
The power supply of smoothing capacity C for smoothly inputting, and store.In the accompanying drawings, as smoothing capacity C, only exemplify an element, but also can be provided with a plurality of, to guarantee the stability of element.
In addition, in the accompanying drawings, exemplify with the output of transducer 410 and be connected, but be not defined in this, directly input DC power.For example, from the DC power supply of solar cell output, directly input to smoothing capacity C, or carry out inputting after DC/DC conversion.Below, by take the part exemplifying in accompanying drawing, as main, describe.
In addition,, due to smoothing capacity C two ends storage DC power supply, also can be referred to as dc end or dc end of link.
Dc terminal voltage test section B can detect the dc terminal voltage Vdc as the two ends of smoothing capacity C.For this reason, dc terminal voltage test section B comprises resistive element, amplifier etc.The discrete signal (discrete signal) that detected dc terminal voltage Vdc is pulse mode, inputs to inverter controlling portion 430.
Inverter 420 is provided with a plurality of inverter switch elements, by the ON/OFF of switch element, moves, and level and smooth DC power supply Vdc is converted to three-phase alternating-current supply va, vb, the vc of set frequency, and exports to three-phase synchronous motor 230.
In inverter 420, it is upper along switch element Sa, Sb, Sc and become a pair ofly along switch element S ' a, S ' b, S ' c down that each is connected in series mutually, and three pairs upper and lower connects along switch element Sa & parallel with one another S ' a, Sb & S ' b, Sc & S ' c altogether.In each switch element Sa, S ' a, Sb, S ' b, Sc, S ' c, inverse parallel is connected with diode.
The inverter switch control signal Sic of switch element in inverter 420 based on from inverter controlling portion 430, carries out the ON/OFF action of each switch element.Thus, the three-phase alternating-current supply that has set frequency is exported to three-phase synchronous motor 230.
Inverter controlling portion 430 controls the switch motion of inverter 420.For this reason, in inverter controlling portion 430, input from the detected output current i of the E of output electric current measure portion
o.
In order to control the switch motion of inverter 420, inverter controlling portion 430 exports to inverter 420 by inverter switch control signal Sic.Inverter switch control signal Sic is the switch controlling signal of pulse width modulation mode PWM, based on from the detected output current i of the E of output electric current measure portion
ovalue generates and exports.In addition, the detailed action for the output of the inverter switch control signal Sic in inverter controlling portion 430, describes in the back with reference to Fig. 5.
The E of output electric current measure portion detects mobile output current i between inverter 420 and three phase electric machine 230
o.That is, detect mobile electric current in motor 230.The E of output electric current measure portion can detect output current ia, ib, the ic of each phase, also can utilize three-phase equilibrium to detect the output current of two-phase.
The E of output electric current measure portion, between inverter 420 and motor 230, in order to carry out current detecting, is used CT(current transformer-current transformer), bypass resistance etc.
In the situation that using bypass resistance, 3 bypass resistances are between inverter 420 and synchronous machine 230, or its one end is connected respectively under 3 of inverter 420 along switch element S ' a, S ' b, S ' c.In addition, also can utilize three-phase equilibrium to use 2 bypass resistances.In addition,, in the situation that using 1 bypass resistance, corresponding bypass resistance can be arranged between above-mentioned capacitor C and inverter 420.
Detected output current i
obe the discrete signal (discrete signal) of pulse mode, it accesses to inverter controlling portion 430, based on detected output current i
ogenerate inverter switch control signal Sic.Below, will be with detected output current i
ofor output current ia, the ib of three-phase, the situation of ic is example describes.
In addition, three phase electric machine 230 is provided with stator (stator) and rotor (rotor), accesses each cross streams power supply of set frequency in the coil of the stator of each phase (a, b, c phase), and rotor is rotated.
Above-mentioned motor 230, for example, comprises the mounted permagnetic synchronous motor of face (Surface-Mounted Permanent-Magnet Synchronous Motor; SMPMSM), internal permanent magnet synchronous motor (Interior Permanent Magnet Synchronous Motor; And synchronous magnetic resistance motor (Synchronous Reluctance Motor IPMSM); Synrm) etc.Wherein, SMPMSM and IPMSM are synchronous machine (the Permanent Magnet Synchronous Motor that adopts permanent magnet; PMSM), the feature of Synrm is there is no permanent magnet.
In addition,, when transducer 410 is provided with switch element, inverter controlling portion 430 controls the switch motion of the switch element in transducer 410.For this reason, in inverter controlling portion 430, input from the detected input current i of input current test section A
s.In addition,, in order to control the switch motion of transducer 410, inverter controlling portion 430 exports to transducer 410 by converter switch control signal Scc.Above-mentioned converter switch control signal Scc is the switch controlling signal of pulse-width modulation PWM mode, based on from the detected input current i of input current test section A
sgenerate and export.
In addition, position detection part 235 detects the rotor-position of motor 230.For this reason, position detection part 235 comprises Hall element (hall sensor).Detected rotor-position H inputs to inverter controlling portion 430, and as basis, uses in speed calculation etc.
Fig. 5 means the interior block diagram of the inverter controlling portion of Fig. 4.
With reference to Fig. 5, inverter controlling portion 430 comprises principal axis transformation portion two-phase/three-phase 510, speed calculation portion 520, current-order generating unit 530, voltage instruction generating unit 540, principal axis transformation portion two-phase/three-phase 550, and switch controlling signal efferent 560.
510 inputs of principal axis transformation portion two-phase/three-phase, from the detected three-phase output current of the E of output electric current measure portion ia, ib, ic, are converted to two-phase current i α, the i β of static coordinate system.
In addition, principal axis transformation portion 510 is by two-phase current i α, the two-phase current i that i β is transformed to rotating coordinate system of static coordinate system
d, i
q.
The position signalling H of the rotor of speed calculation portion 520 based on from position detection part 235 inputs, calculates out speed
.That is, position-based signal, while removing calculation for the time, can calculate out speed.
In addition the position that, the position signalling H of the rotor of speed calculation portion 520 outputs based on input calculates out
with the speed of calculating out
.
In addition, current-order generating unit 530 is based on calculation speed
and speed value
, generate current instruction value
.For example, current-order generating unit 530 is based on calculation speed
and speed value
difference, at PI controller 535, carry out PI and control, and generate current instruction value
.In the accompanying drawings, as current instruction value, exemplify q shaft current command value
, still, in the time of also can be different from accompanying drawing, generate d shaft current command value
.In addition d shaft current command value,
value also can be set as 0.
In addition, in order to prevent current instruction value
exceed tolerance zone, in current-order generating unit 530, be also provided with for limiting its other limiter of level (not shown) (limiter).
In addition d axle, the q shaft current i of voltage instruction generating unit 540 based at principal axis transformation portion Medial-Axis Transformation being two-phase rotating coordinate system,
d, i
qwith the current instruction value in current-order generating unit 530 grades
,
, generate d axle, q shaft voltage command value
,
.For example, voltage instruction generating unit 540 is based on q shaft current i
qwith q shaft current command value
difference, in PI controller 544, carry out PI and control, and generate q shaft voltage command value
.And voltage instruction generating unit 540 is based on d shaft current i
dwith d shaft current command value
difference, in PI controller 548, carry out PI and control, and generate d shaft voltage command value
.In addition, in order to prevent d axle, q shaft voltage command value
,
exceed tolerance zone, voltage instruction generating unit 540 is also provided with for limiting its level other limiter (not shown).
In addition the d axle of generation, q shaft voltage command value,
,
input to principal axis transformation portion two-phase/three-phase 550.
Principal axis transformation portion two-phase/three-phase 550 is input to the position that speed calculation portion 520 calculates
with d axle, q shaft voltage command value
,
, and carry out principal axis transformation.
First, principal axis transformation portion two-phase/three-phase 550 carries out being tied to from two-phase rotational coordinates the conversion of two-phase static coordinate system.The position of now, calculating out in operating speed calculation portion 520
.
In addition, principal axis transformation portion two-phase/three-phase 550 is carried out the conversion that is tied to three phase static coordinate system from two-phase static coordinate.By above-mentioned conversion, principal axis transformation portion 550 output three-phase output voltage command value
,
,
.
Switch controlling signal efferent 560 is based on three-phase output voltage command value
,
,
, generate inverter switch control signal Sic output based on pulse-width modulation PWM mode.
The inverter switch control signal Sic of output is transformed to gate drive signal at door drive division (not shown), inputs to the door of each switch element in inverter 420.Thus, each switch element Sa, S ' a, Sb, S ' b, Sc, the S ' c in inverter 420 carries out switch motion.
Particularly, relevant to embodiments of the invention, will generate and export the inverter switch control signal Sic that mixes two-phase pulse width modulation mode and three-phase pulse width modulated mode.
Above-mentioned combination drive is according to different strokes (washing stroke, clean stroke, dehydration stroke), or when the washing bag amount in stroke detects or offset detects, or according to different temperature, or distinguish and carry out according to the rotary speed of motor.
Thus, the temperature of the inverter 420 in the time of can reducing motor 230 driving rises, and, when motor drives, can reduce the noise that current ripples causes.
Fig. 6 means the drawing of an example of the switch controlling signal of supplying with to the inverter of Fig. 4, and Fig. 7 means another routine drawing of the switch controlling signal of supplying with to the inverter of Fig. 4.
With reference to accompanying drawing, first, in Fig. 6, exemplify the switch controlling signal of the three-phase pulse width modulated mode of inverter controlling portion 430 outputs.
Switch controlling signal Pa to the upper door input three-phase pulse width modulated mode along switch element Sa in inverter 420, this state is a phase, to the switch controlling signal Pb of the upper door input three-phase pulse width modulated mode along switch element Sb in inverter 420, this state is b phase.In addition, though not shown, to the switch controlling signal of the upper door input three-phase pulse width modulated mode along switch element Sc in inverter 420.In addition, lower in inverter 420 along input in switch element S ' a, S ' b, S ' c with upper along the mutually auxiliary switch controlling signal of switch element Sa, Sb, Sc.That is, oppositely carry out and open/disconnect.
In addition, as shown in the figure, three upper signal P ' a, P ' b, P ' c that filter along the switch controlling signal of the three-phase pulse width modulated mode of connecting in switch element are shown as to sinusoidal wave form.
In the situation that drive the switch element in inverter 420 by above-mentioned three-phase pulse width modulated mode, can realize motor 230 accurately and drive.Thus, can when the washing bag amount that needs accuracy detects or when offset detects, carry out.In addition, by three-phase pulse width modulated mode, the noise that the current ripples in the time of can reducing motor 230 and drive causes.
In addition, in three-phase pulse width modulated mode, due to high speed switching, can cause that the temperature of inverter 420 rises, therefore, preferably carry out during low speed rotation when washing bag amount detects or during offset detection etc.And, preferably both below fixed temperature, carrying out.
Then, in Fig. 7, exemplify the switch controlling signal of the two-phase pulse width modulation mode of inverter controlling portion 430 outputs.
Switch controlling signal P1 to the upper door input two-phase pulse width modulation mode along switch element Sa in inverter 420, this state is a phase, to the switch controlling signal P2 of the upper door input two-phase pulse width modulation mode along switch element Sb in inverter 420, this state is b phase.In addition, though not shown, to the switch controlling signal of the upper door input two-phase pulse width modulation mode along switch element Sc in inverter 420.In addition, lower in inverter 420 along input in switch element S ' a, S ' b, S ' c with upper along the mutually auxiliary switch controlling signal of switch element Sa, Sb, Sc.That is, oppositely carry out and open/disconnect.
As shown in the figure, by two-phase pulse width modulation mode, on two couple of three centerings along switch element or lower along switch element repeatedly open and disconnect during at least a portion during (W1 or W2), another of three centerings to upper along switch element or open or disconnect along switch element down.Now, during a part, be preferably electric degree angle (electrical angle) 120 degree.
That is, as shown in the figure, three upper signal P ' 1, P ' 2, P ' 3 that filter along the switch controlling signal to two-phase pulse width modulation mode accessing in switch element, have certain other sinusoidal segment waveform state of level by showing as in a part of interval.
In the situation that drive the switch element in inverter 420 by above-mentioned two-phase pulse width modulation mode, above along switch element (for example only have two, Sa, Sb) under or two along switch element (for example, S ' a, S ' b) repeatedly open/disconnect, in addition upper along switch element (for example, Sc) or lower along switch element (for example, S ' c) during a part, be only held open or only remain open, rather than repeatedly carry out three above along switch element (Sa, Sb, Sc) under or three along switch element (S ' a, S ' b, S ' c) unlatching/disconnection, thereby can reduce at a high speed, switch.The temperature that thus, can reduce inverter 420 rises.
In addition, above-mentioned two-phase pulse width modulation mode just reduces the unlatching/disconnection times while switching, and what it can be identical with three-phase pulse width modulated mode supplies with sine-wave current to motor 230.Thus, can make utilance not change.
Therefore, two-phase pulse width modulation mode is preferably carried out during High Rotation Speed during stroke etc. in dehydration.And, preferably both more than fixed temperature carrying out.
Fig. 8 means the drawing of an example of the alternating current of supplying with to the motor of Fig. 4.
With reference to accompanying drawing, in figure, exemplify, the switching action by inverter 420 and in motor 230 mobile electric current.
Specifically, between the active region of motor 230, be divided into as the startup in the initial actuating interval interval T1 that turns round, and the initial start interval T3 of later common running that turns round.
Start the interval T1 of running and in motor 230, connect the interval of certain electric current, for this reason, three of inverter 420 upper is unlocked along the some switch elements in switch element, with not above being unlocked along switch element under switch element does not form a pair of two other of being unlocked.The size of certain electric current can be several A, for by above-mentioned certain electric current supply to motor, inverter controlling portion 430 accesses starting switch control signal Sic to inverter 420.
Conventionally turning round in interval T3, feed back detected output current i
o, as shown in Figure 5, based on output current i
oin inverter controlling portion 430, control processing, thereby the AC power with set frequency is accessed to motor 230.
Particularly, in an embodiment of the present invention, at the interval T3 that conventionally turns round, that is, and at the detected output current i of feedback
o, and as shown in Figure 5, based on output current i
oin inverter controlling portion 430, control the interval of processing, mix above-mentioned two-phase pulse width modulation mode and three-phase pulse width modulated mode and drive, thereby the temperature that can reduce inverter 420 rises, and the noise of motor 230 while driving.
In addition, starting the interval T1 of running and conventionally turning round between interval T3, being also provided with the speed of motor is forced to the pressure acceleration area T2 rising.Above-mentioned pressure acceleration area T2 does not feed back current i mobile in motor 230
o, and the interval of the speed of the upper lifting motor 230 corresponding with speed command, the corresponding switch controlling signal Sic of inverter controlling portion 430 output.
Fig. 9 means the flow chart of the method for operating of device for processing washings.
With reference to accompanying drawing, in the method for operating of device for processing washings, throw in washing bag, by user's setting, carry out washing stroke S910, clean stroke S920, and dehydration stroke S930.
During washing stroke S910, between the washing bag amount detection zone of execution for detection of the washing bag amount of the washing bag in Wash tub 120, between the unbalanced offset detection zone for detection of washing bag, and between main scrubbing section etc., and can implement multiple example.
During cleaning stroke S920, between execution feedwater interval, set speed Rotary District, between catchment etc., and can implement multiple example.
During dehydration stroke S930, between the washing bag amount detection zone of execution for detection of the washing bag amount of the washing bag in Wash tub 120, between the unbalanced offset detection zone for detection of washing bag, intermittently between drying zone, and between main drying zone etc., and can implement multiple example.
According to one embodiment of the invention, in the situation that mixing three-phase pulse width modulated mode and two-phase pulse width modulation mode and carrying out combination drive, at least one when not needing the washing stroke S910 of High Rotation Speed or in while cleaning stroke S920, according to two-phase pulse width modulation mode drive motors 230.In needing the dehydration stroke S930 of High Rotation Speed, according to three-phase pulse width modulated mode drive motors 230.Thus, can reduce the temperature rising of inverter 420 and the driving noise of motor 230.
The drawing of one example of motor rotary speed when Figure 10 means the washing stroke of Fig. 9.
With reference to accompanying drawing, the washing stroke interval of Figure 10 comprises between Ta between washing bag amount detection zone, offset detection zone Tc between Tb, the first scrubbing section, and Td between the second scrubbing section.
Between washing bag amount detection zone, Ta is the interval of detecting the washing bag amount in Wash tub 120, by Wash tub is carried out to positive direction rotation or opposite spin or positive direction and the reciprocal rotation of stirring repeatedly with the first rotary speed v1, carries out washing bag amount detection.Specifically, the output current i based on motor 230
ovalue or output current i
oripple etc., carry out washing bag amount detection.
In addition, before Ta between washing bag amount detection zone, can also carry out between the washing bag dispersion area that disperses the washing bag in Wash tub 120 (not shown).Between washing bag dispersion area, in (not shown), by the speed with lower than the first rotary speed v1, carry out positive direction rotation or opposite spin or positive direction and the reciprocal rotation of stirring repeatedly, make to wash coated dispersion.
Between offset detection zone, Tb is the interval for detection of the offset UB in Wash tub 120, by Wash tub 120 is rotated with the second rotary speed v2, detects offset.Specifically, the output current i based on motor 230
ovalue or output current i
oripple etc., detect offset.
Between the first scrubbing section between Tc and the second scrubbing section in Td, when the detected offset of Tb between offset detection zone is permissible value when following, Wash tub 120 is rotated respectively with the 3rd rotary speed v3 and the 4th rotary speed v4.Before Td between Tc between the first scrubbing section and the second scrubbing section, carry out under the state of feedwater, to Wash tub 120 interior putting detergents etc., and carry out washing.After washing finishes, carry out draining.
In addition, according to embodiments of the invention, Tb between Ta or offset detection zone between the washing bag amount detection zone in washing stroke interval, according to three-phase pulse width modulated mode drive motors 230, Td between Tc and the second scrubbing section between the first scrubbing section in addition, according to two-phase pulse width modulation mode drive motors 230.Thus, at Tb between Ta or offset detection zone between the washing bag amount detection zone that need to detect accurately, can realize motor 230 accurately and drive.And, can prevent that the temperature of inverter 420 from rising.
The drawing of one example of motor rotary speed when Figure 11 means the dehydration stroke of Fig. 9.
With reference to accompanying drawing, the dehydration stroke section of Figure 11 comprises between T1 between washing bag amount detection zone, the first offset detection zone between Tm, the first drying zone between Tn, the second offset detection zone between To, the second drying zone between Tp, the 3rd offset detection zone Tr between Tq, the 3rd drying zone.
Between washing bag amount detection zone, T1 is the interval for detection of the washing bag amount in Wash tub 120, by Wash tub is carried out to positive direction rotation or opposite spin or positive direction and the reciprocal rotation of stirring repeatedly with the first rotary speed v1, carries out washing bag amount detection.Specifically, the output current i based on motor 230
ovalue or output current i
oripple etc., carry out washing bag amount detection.
In addition, before Ta between washing bag amount detection zone, can also carry out between the washing bag dispersion area that disperses the washing bag in Wash tub 120 (not shown).Between washing bag dispersion area, in (not shown), by the speed with lower than the first rotary speed v1, carry out positive direction rotation or opposite spin or positive direction and the reciprocal rotation of stirring repeatedly, make to wash coated dispersion.
Between the first to the 3rd offset detection zone, Tm, To, Tq are the intervals for detection of the offset UB in Wash tub 120, by Wash tub 120 is rotated with the second rotary speed v2, detect offset.Specifically, the output current i based on motor 230
ovalue or output current i
oripple etc., detect offset.
Tn, Tp, Tr between the first to the 3rd drying zone, when respectively between the first to the 3rd offset detection zone Tm, To, the detected offset of Tq be permissible value when following, Wash tub 120 is rotated with the 3rd to the 5th rotary speed v3, v4, v5 respectively.Before Tn between the first drying zone, carry out under the state of feedwater, carry out dehydration, carry out therebetween draining.
In addition, according to embodiments of the invention, Tm, To, Tq between T1 or offset detection zone between the washing bag amount detection zone in dehydration in stroke section, according to three-phase pulse width modulated mode drive motors 230, Tn, Tp, Tr between the first to the 3rd drying zone in addition, according to two-phase pulse width modulation mode drive motors 230.Thus, at Tm, To, Tq between T1 or offset detection zone between the washing bag amount detection zone that need to detect accurately, can realize motor 230 accurately and drive.And, can prevent that the temperature of inverter 420 from rising.
In addition, different from drawing, also Tm between the first offset detection zone be can only carry out, rather than Tm, To, Tq between the first to the 3rd offset detection zone all carried out.
Figure 12 means the stereogram of device for processing washings according to another embodiment of the present invention.
Below, describe with reference to the accompanying drawings.The device for processing washings 1100 of Figure 12 is to form preposition (front load) mode of contrast with overhead (top load) mode of Fig. 1.
Device for processing washings 1100 comprises with lower member: the housing 1110 that forms the outward appearance of device for processing washings 1100; Be arranged at the inside of housing 1110, and the washing tub 1120 being supported by housing 1110; Be arranged at the inside of washing tub 1120, and the cylinder 1122 that washing bag is washed; Motor 1130 for head roll 1122; Be arranged at the outside of enclosure body 1111, for the washings feedway (not shown) to housing 1110 internal feed washings; Be formed at the downside of washing tub 1120, for discharge the drainage arrangement (not shown) of washings to outside.
In cylinder 1122, be formed with a plurality of through hole 1122A that washings are passed through, medial surface at cylinder 1122 is provided with lifting device 1124, when cylinder 1122 is rotated, above-mentioned lifting device 1124 is lifted to washings after certain altitude, by gravity, it is dropped.
Housing 1110 comprises with lower member: enclosure body 1111; Be arranged at enclosure body 1111 above and the case lid 1112 of combination; Be arranged at the upside of case lid 1112, and with the control panel 1115 of enclosure body 1111 combinations; Be arranged at the upside of control panel 1115, and with the top panel 1116 of enclosure body 1111 combinations.
Case lid 1112 comprises with lower member: can make washing contract out into washing contract out hand-hole 1114; The setting that can rotate about, washs to open and close the door 1113 that contracts out hand-hole 1114.
Control panel 1115 comprises with lower member: for the operation keys 1117 of the operating condition of operated wash thing processing unit 1100; Be arranged at a side of operation keys 1117, for showing the display unit 1118 of the operating condition of device for processing washings 1100.
Operation keys 1117 in control panel 1115 and display unit 1118 are electrically connected to control part (not shown), and control part (not shown) carries out electric control to each structural element of device for processing washings 1100 etc.
The device for processing washings 1100 of Figure 12 is similar with the device for processing washings 100 of above-mentioned Fig. 1, when the motor 1130 that cylinder 1122 is rotated drives, mixes three-phase pulse width modulated mode and two-phase pulse width modulation mode and drives.That is, the switch controlling signal illustrating in Fig. 6 and Fig. 7 is accessed to inverter, motor 1130 is driven.
As mentioned above, above-mentioned combination drive is according to different strokes, or when the washing bag amount in stroke detects or offset detects, or according to different temperature, or distinguish and carry out according to the rotary speed of motor.
Thus, the temperature of the inverter in the time of can reducing motor 1130 driving rises, and, the noise that the current ripples in the time of can reducing motor driving causes.
Device for processing washings in the embodiment of the present invention does not limit structure and the method that is applicable to embodiment as above, and all or part of of the various embodiments described above can optionally combine and form, to implement various deformation.
In addition, the control method of the device for processing washings in the present invention, in the recording medium can read at the processor that is arranged at device for processing washings, the code being can read by processor is realized, and the recording medium that processor can read comprises for storing the tape deck of all kinds of the data that be can read by processor.
And, above preferred embodiments of the present invention have been disclosed for illustrative, but the present invention is not defined in above-mentioned specific embodiment, in the scope of the technological thought of the present invention of asking in not exceeding claims, those skilled in the art under the present invention can carry out various deformation enforcement, and above-mentioned distortion is implemented can not depart from technological thought of the present invention or the independent understanding of prospect.
Claims (3)
1. a device for processing washings, is characterized in that, comprises following parts:
Wash tub;
The motor that above-mentioned Wash tub is rotated;
Based on pulse-width modulation, drive above-mentioned motor, in conventionally turning round, adopt the drive division of three-phase pulse width modulated mode and the above-mentioned motor of two-phase pulse width modulation mode combination drive;
Above-mentioned drive division, between washing bag amount detection zone or between offset detection zone, drives above-mentioned motor according to above-mentioned three-phase pulse width modulated mode;
In dehydration in stroke, remove the interval between above-mentioned washing bag amount detection zone or between offset detection zone, or when washing stroke, remove the interval between above-mentioned washing bag amount detection zone or between offset detection zone, according to above-mentioned two-phase pulse width modulation mode, drive above-mentioned motor;
Above-mentioned drive division comprises with lower member:
For set DC power supply is converted to the AC power of set frequency, and above-mentioned AC power is exported to the inverter of above-mentioned motor;
Output electric current measure portion for detection of output current mobile in above-mentioned motor;
Based on above-mentioned output current, control above-mentioned inverter, the inverter controlling portion that above-mentioned motor is driven with above-mentioned three-phase pulse width modulated mode or above-mentioned two-phase pulse width modulation mode;
Above-mentioned drive division also comprises the position detection part for detection of the rotor-position of above-mentioned motor, and above-mentioned inverter controlling portion, based on above-mentioned detected rotor-position and above-mentioned output current, controls above-mentioned inverter;
Above-mentioned inverter is provided with using upper along switch module and lower along switch module as three pairs of a pair of switch modules, by above-mentioned two-phase pulse width modulation mode, on two couple of above-mentioned three centerings along switch module or lower along switch module repeatedly open and disconnect during at least a portion interval, another of above-mentioned three centerings to upper along switch module or open or disconnect along switch module down.
2. device for processing washings according to claim 1, is characterized in that: above-mentioned drive division is when above-mentioned common running, and mobile output current in the above-mentioned motor of feedback, drives above-mentioned motor based on above-mentioned output current.
3. device for processing washings according to claim 1, is characterized in that: by above-mentioned two-phase pulse width modulation mode, in the three-phase of above-mentioned motor, flow and have sine-wave current.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100065045A KR101747352B1 (en) | 2010-07-06 | 2010-07-06 | Washing machine |
| KR10-2010-0065045 | 2010-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102263541A CN102263541A (en) | 2011-11-30 |
| CN102263541B true CN102263541B (en) | 2014-11-19 |
Family
ID=45010032
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110143529.5A Expired - Fee Related CN102263541B (en) | 2010-07-06 | 2011-05-31 | Washings Processing Device |
| CN2011201789647U Expired - Fee Related CN202072950U (en) | 2010-07-06 | 2011-05-31 | Washing processing device |
| CN201180042653.0A Expired - Fee Related CN103080406B (en) | 2010-07-06 | 2011-07-06 | Washing machine |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201789647U Expired - Fee Related CN202072950U (en) | 2010-07-06 | 2011-05-31 | Washing processing device |
| CN201180042653.0A Expired - Fee Related CN103080406B (en) | 2010-07-06 | 2011-07-06 | Washing machine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20120006065A1 (en) |
| EP (1) | EP2591160B1 (en) |
| KR (1) | KR101747352B1 (en) |
| CN (3) | CN102263541B (en) |
| WO (1) | WO2012005510A2 (en) |
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| KR101747352B1 (en) * | 2010-07-06 | 2017-06-14 | 엘지전자 주식회사 | Washing machine |
| CN104025450B (en) * | 2011-12-27 | 2016-08-24 | 松下电器产业株式会社 | Motor inversion device |
| ITFI20120148A1 (en) * | 2012-07-17 | 2014-01-18 | Alessio Manzini | SOLAR WASHING MACHINE WITH ENERGETIC AUTONOMY |
| KR102148200B1 (en) * | 2013-09-04 | 2020-08-27 | 삼성전자주식회사 | Washing apparatus and controlling method thereof |
| KR101800644B1 (en) * | 2013-11-08 | 2017-11-23 | 엘지전자 주식회사 | Motor driving apparatus and laundry treatment machine including the same |
| KR101555763B1 (en) * | 2013-12-24 | 2015-10-06 | 동부대우전자 주식회사 | Horizontally Vibrating Laundry Washer |
| CN105099293A (en) * | 2014-04-30 | 2015-11-25 | 合肥美的洗衣机有限公司 | Inverter pulsator washing machine and control method thereof |
| US10581274B2 (en) | 2015-06-03 | 2020-03-03 | Lg Electronics Inc. | Home appliance |
| KR101698775B1 (en) * | 2015-08-11 | 2017-01-23 | 엘지전자 주식회사 | Home appliance |
| KR101663520B1 (en) * | 2015-08-11 | 2016-10-07 | 엘지전자 주식회사 | Motor driving apparatus and home appliance including the same |
| KR101756408B1 (en) | 2016-04-18 | 2017-07-11 | 엘지전자 주식회사 | Drain pump driving apparatus and laundry treatment machine including the same |
| KR102146281B1 (en) * | 2018-04-19 | 2020-08-20 | 엘지전자 주식회사 | Drain pump driving apparatus and laundry treatment machine including the same |
| KR102669131B1 (en) * | 2018-07-06 | 2024-05-23 | 엘지전자 주식회사 | Circular pump driving apparatus and laundry treatment machine including the same |
| KR102625455B1 (en) * | 2018-12-18 | 2024-01-16 | 엘지전자 주식회사 | Control method for an artificial intelligence Laundry Treating Apparatus |
| WO2021256910A1 (en) * | 2020-06-15 | 2021-12-23 | Samsung Electronics Co., Ltd. | Washing machine and control method thereof |
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| CN1506522A (en) * | 2002-12-10 | 2004-06-23 | Lg������ʽ���� | Controlling method for washing machine |
| CN1928744A (en) * | 2005-09-05 | 2007-03-14 | Lg电子株式会社 | Operating apparatus and method of a washing machine |
| CN202072950U (en) * | 2010-07-06 | 2011-12-14 | 南京乐金熊猫电器有限公司 | Washing processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103080406B (en) | 2016-08-03 |
| US20120006065A1 (en) | 2012-01-12 |
| EP2591160B1 (en) | 2021-03-17 |
| WO2012005510A2 (en) | 2012-01-12 |
| EP2591160A2 (en) | 2013-05-15 |
| CN103080406A (en) | 2013-05-01 |
| WO2012005510A3 (en) | 2012-05-18 |
| KR101747352B1 (en) | 2017-06-14 |
| KR20120004271A (en) | 2012-01-12 |
| CN202072950U (en) | 2011-12-14 |
| EP2591160A4 (en) | 2017-06-14 |
| CN102263541A (en) | 2011-11-30 |
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